arch/mips/hp-lj/init.c

   1 /*
   2  * init.c: PROM library initialisation code.
   3  *
   4  * Copyright (C) 1998 Gleb Raiko & Vladimir Roganov
   5  */
   6
   7 #include <linux/mm.h>
   8 #include <asm/bootinfo.h>
   9 #include <asm/addrspace.h>
  10 #include <asm/hp-lj/asic.h>
  11 #include <linux/bootmem.h>
  12
  13 #include "utils.h"
  14
  15
  16 #define Delimiter "CMDLINE="
  17 const char CommandLine[] = Delimiter
  18   "root=/dev/hda3                                                                                                                                                                                                                                            ";
  19
  20 char arcs_cmdline[CL_SIZE];
  21
  22 int __init prom_init(int argc, char ** argv, char **envp)
  23 {
  24         ulong mem_size = get_mem_avail();
  25         int reserve_size = 0;
  26
  27         printk("Total Memory: %ld bytes\n", mem_size);
  28
  29         reserve_buffer(CommandLine, mem_size);
  30
  31         reserve_size = get_reserved_buffer_size();
  32         mem_size -= reserve_size;
  33
  34         add_memory_region(0x0,mem_size, BOOT_MEM_RAM);
  35         add_memory_region(mem_size,reserve_size, BOOT_MEM_RESERVED);
  36
  37         printk("Main Memory: %ld bytes\n", mem_size);
  38         printk("Reserved Memory: %ld bytes at 0x%08x\n",
  39                 get_reserved_buffer_size(), (ulong)get_reserved_buffer());
  40
  41         printk("Detected %s ASIC\n", GetAsicName());
  42         mips_machgroup  = MACH_GROUP_HP_LJ;
  43         mips_machtype   = MACH_UNKNOWN;
  44
  45         strcpy(arcs_cmdline, CommandLine+strlen(Delimiter));
  46
  47         return 0;
  48 }
  49
  50
  51 void prom_free_prom_memory (void)
  52 {
  53 }